{"title":"Diffraction field of uniformly excited elastic wave beams as the superposition of Gaussian beams","authors":"V. Mishchenko","doi":"10.1109/DIPED.1999.822150","DOIUrl":null,"url":null,"abstract":"On the basis of the parabolic approximation the spreading of uniformly excited (on the aperture) elastic wave beams is investigated. The method of presentation of the excitation as a superposition of Gaussian beams is used. The effect of the nearfield oscillation of the amplitude and phase of the elastic wave beams is accounted for.","PeriodicalId":426777,"journal":{"name":"DIPED - 99. Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory. Proceedings of 4th International Seminar/Workshop (IEEE Cat. No.99TH8402)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"DIPED - 99. Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory. Proceedings of 4th International Seminar/Workshop (IEEE Cat. No.99TH8402)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/DIPED.1999.822150","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
On the basis of the parabolic approximation the spreading of uniformly excited (on the aperture) elastic wave beams is investigated. The method of presentation of the excitation as a superposition of Gaussian beams is used. The effect of the nearfield oscillation of the amplitude and phase of the elastic wave beams is accounted for.
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